Variable Stars

Astronomy Cast Ep. 337: Photometry

by Fraser Cain March 10, 2014

Want to stay on top of all the space news? Follow @universetoday on Twitter There’s a lot you can learn by just staring at an object, watching how it changes in brightness. This is the technique of photometry, and it has helped astronomers discover variable stars, extrasolar planets, minor planets, supernovae, and much more. Remove […]

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Seeing Red: Hunting Herschel’s Garnet Star

by David Dickinson July 16, 2013

Quick, what’s the reddest star visible to the naked eye? Depending on your sky conditions, your answer may well be this week’s astronomical highlight. Remove this ad David Dickinson on Google+

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What’s Going On Inside This New Kind of Variable Star?

by Elizabeth Howell June 12, 2013

A new kind of variable star — 36 of that type, in fact — has been found in a single star cluster. Astronomers don’t even have a name for the star type yet, but feel free to leave some suggestions in the comments! For now, however, astronomers are wondering what the implications are for our […]

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Weekly SkyWatcher’s Forecast: November 19-25, 2012

by Tammy Plotner November 19, 2012

Greetings, fellow SkyWatchers! It’s going to be a great week to study the Moon – and bright Jupiter is just begging for some quality eyepiece time. Need more? Then why don’t we study some very interesting variable stars, too? It’s all out there… Just waiting on you! Remove this ad Tammy Plotner on Google+

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Weekly SkyWatcher’s Forecast: September 24-30, 2012

by Tammy Plotner September 23, 2012

“Shine on, shine on Harvest Moon… Up in the sky…” Oh! Howdy, fellow SkyWatchers! The seasons are most surely showing their changes in both hemispheres and this week marks the famous “Harvest Moon”. The Moon will very much be in the eyepiece this week, so enjoy some great studies. However, don’t put away your telescopes […]

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